The journey from prototype to product describes old challenges in the engineering practice. Rapid iteration and naiveté may prove technical feasibility but may also reveal market unfitness. Engineering organizations face a dilemma: deploy minimally viable gizmos that barely work and improve through real-world use or polish until perfection before launch. How and when should “skunkworks engineering” projects get out of the dungeons and hit the shelves? How does a company go back to the R&D table after a market winner?